CVE-2009-3290
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
6.1 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
26.9%
The kvm_emulate_hypercall function in arch/x86/kvm/x86.c in KVM in the Linux kernel 2.6.25-rc1, and other versions before 2.6.31, when running on x86 systems, does not prevent access to MMU hypercalls from ring 0, which allows local guest OS users to cause a denial of service (guest kernel crash) and read or write guest kernel memory via unspecified βrandom addresses.β
Affected configurations
References
git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=07708c4af1346ab1521b26a202f438366b7bcffd
patchwork.kernel.org/patch/38926/
secunia.com/advisories/37105
www.openwall.com/lists/oss-security/2009/09/18/1
www.openwall.com/lists/oss-security/2009/09/21/1
www.openwall.com/lists/oss-security/2009/09/22/8
www.redhat.com/support/errata/RHSA-2009-1465.html
www.ubuntu.com/usn/USN-852-1
bugzilla.redhat.com/show_bug.cgi?id=524124
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11328
Related
7.2 High
CVSS2
Attack Vector
LOCAL
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
6.1 Medium
AI Score
Confidence
Low
0.001 Low
EPSS
Percentile
26.9%